Displaying 7 results from an estimated 7 matches for "cpaddr".
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2009 Feb 17
1
[LLVMdev] ARM backend playing with alternative jump table implementations
...// @@ GET TABLE BASE: current code
Table = DAG.getNode(ARMISD::WrapperJT, MVT::i32, JTI, UId);
#else
// @ MY ATTEMPT AT MOVING THIS OUT
ARMConstantPoolValue *CPV = new ARMConstantPoolValue("a_jump_table", 666);
SDValue TableValue = DAG.getTargetConstantPool(CPV, PTy, 2);
SDValue CPAddr = DAG.getNode(ARMISD::Wrapper, MVT::i32, TableValue);
Table = DAG.getLoad(PTy, dl, DAG.getEntryNode(), CPAddr, NULL, 0);
#endif
Index = DAG.getNode(ISD::MUL, dl, PTy, Index, DAG.getConstant(4, PTy));
//Index = DAG.getNode(ISD::MUL, dl, PTy, TableAddress, DAG.getConstant(4,
PTy));
SDValue A...
2015 Jan 11
3
[LLVMdev] [RFC] [PATCH] add tail call optimization to thumb1-only targets
...n model!");
+
// Handle a global address or an external symbol. If it's not one of
// those, the target's already in a register, so we don't need to do
// anything extra.
@@ -1695,11 +1717,14 @@
// Get the address of the callee into a register
SDValue CPAddr = DAG.getTargetConstantPool(CPV, getPointerTy(), 4);
+
CPAddr = DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, CPAddr);
+
Callee = DAG.getLoad(getPointerTy(), dl,
DAG.getEntryNode(), CPAddr,
MachinePointerInfo::getConstantPool(),...
2006 Jul 31
1
[LLVMdev] creating a constant with the address of another constant
In ARM, the conventional way of setting a register to a 32 bit
constant is to use a load:
---------------------------------
str:
.asciz "Hello World"
.text
main:
...
ldr r0, .L3
....
.L3:
.word str
-----------------------------------
To implement this, LowerGlobalAddress must add an element to the
constant pool (.L3 in the example). How can I implement this?
2009 Jun 03
5
[LLVMdev] patch for llc/ARM: added mechanism to move switch tables from .text -> .data; also cleanup and documentation
...PTy);
+ const SDValue JTI = DAG.getTargetJumpTable(JT->getIndex(), PTy);
+
+ // create a new global symbol for the jumptable
+ ARMConstantPoolValue *CPV = new ARMConstantPoolValue(".T", Num,
+ ARMCP::CPDataSegmentJumpTable);
+ const SDValue CPAddr = DAG.getTargetConstantPool(CPV, PTy, 4);
+
+ // An ARM idiosyncrasy: wrap each constant pool entry before accessing it
+ const SDValue Wrapper = DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, CPAddr);
+
+ // Load Table start from constan pool
+ const SDValue Table = DAG.getLoad(PTy, dl, DAG.getEnt...
2009 Jun 11
0
[LLVMdev] patch for llc/ARM: added mechanism to move switch tables from .text -> .data; also cleanup and documentation
On Jun 8, 2009, at 2:42 PM, robert muth wrote:
> On Sun, Jun 7, 2009 at 11:53 PM, Evan Cheng <evan.cheng at apple.com>
> wrote:
>>
>> On Jun 7, 2009, at 6:59 AM, robert muth wrote:
>>
>>> On Sat, Jun 6, 2009 at 4:51 PM, Evan Cheng<evan.cheng at apple.com>
>>> wrote:
>>>> +cl::opt<std::string>
2009 Jun 08
2
[LLVMdev] patch for llc/ARM: added mechanism to move switch tables from .text -> .data; also cleanup and documentation
On Sun, Jun 7, 2009 at 11:53 PM, Evan Cheng <evan.cheng at apple.com> wrote:
>
> On Jun 7, 2009, at 6:59 AM, robert muth wrote:
>
>> On Sat, Jun 6, 2009 at 4:51 PM, Evan Cheng<evan.cheng at apple.com>
>> wrote:
>>> +cl::opt<std::string> FlagJumpTableSection("jumptable-section",
>>> +
2009 Jun 24
2
[LLVMdev] patch for llc/ARM: added mechanism to move switch tables from .text -> .data; also cleanup and documentation
...PTy);
+ const SDValue JTI = DAG.getTargetJumpTable(JT->getIndex(), PTy);
+
+ // create a new global symbol for the jumptable
+ ARMConstantPoolValue *CPV = new ARMConstantPoolValue(".T", Num,
+ ARMCP::CPDataSegmentJumpTable);
+ const SDValue CPAddr = DAG.getTargetConstantPool(CPV, PTy, 4);
+
+ // An ARM idiosyncrasy: wrap each constant pool entry before accessing it
+ const SDValue Wrapper = DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, CPAddr);
+
+ // Load Table start from constan pool
+ const SDValue Table = DAG.getLoad(PTy, dl, DAG.getEnt...